EP0967419B1 - Schaltgabel für Wechselgetriebe - Google Patents
Schaltgabel für Wechselgetriebe Download PDFInfo
- Publication number
- EP0967419B1 EP0967419B1 EP19980111682 EP98111682A EP0967419B1 EP 0967419 B1 EP0967419 B1 EP 0967419B1 EP 19980111682 EP19980111682 EP 19980111682 EP 98111682 A EP98111682 A EP 98111682A EP 0967419 B1 EP0967419 B1 EP 0967419B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shift fork
- selector fork
- shift
- selector
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/324—Gear shift yokes, e.g. shift forks characterised by slide shoes, or similar means to transfer shift force to sleeve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/327—Gear shift yokes, e.g. shift forks essentially made of sheet metal
Definitions
- the invention relates to a shift fork for change gearbox, which in Preamble of claim 1 explained type.
- GB PS 1 183 140 has been a shift fork for about 30 years
- Gearbox known from a shift fork body from a Pressed sheet metal part consists of a so-called switching arm and the actual one Shifter fork forms and anchored to the plastic parts made of slide-promoting material are.
- the known shift fork is axially fixed on an axially displaceable Shift rod arranged and the so-called shift arm is part of the Shift fork body and the shift groove is through a recess in Shift fork base body formed with a shift finger of the switching device cooperates.
- the known shift fork is designed to be together with a shift rod act on which only this one shift fork is arranged and in the gear housing is axially displaceable.
- the object of the present invention is a shift fork for change gear to improve the type explained in the preamble of claim 1 such that an interaction of several, arranged on only one shift rod Shift forks is made possible, for a spatial overlap of the Shift rods with a weight-saving design is provided.
- the switching arm as a made of thick sheet material Fine stamping part, the shift fork body and the shift fork as one made of thinner Deep-drawn part made of sheet metal material and the fine stamped part with the Deep-drawn part using suitable welding processes such as Point, resistance or Laser welding are interconnected and the shift fork guides are considered to be the deep-drawn part anchored guide sleeves made of slide-promoting material are several shift forks due to their spatially rigid construction overlapping each other on only one shift rod.
- gear housing 1 indicated in dash-dotted lines are gear sets 2 arranged, each in the usual way from a fixed gear and a loose gear exist, the loose gear using a synchronizer optionally connected to the corresponding gear shaft in a rotationally fixed manner can be.
- the gear housing 1 a shift shaft 3 axially displaceable and radially pivotable and has a shift finger 4, which engages with corresponding shift grooves 5 and 6 so-called switching arms 7 and 8 can be brought and e.g. a shift fork 9 for the first and second gear or a shift fork 10 for the third and fourth gear to operate.
- the two shift forks 9 and 10 are in this case axially displaceable Shift rod 11 arranged at one end with a shift fork 12 for the fifth gear is connected.
- the shift fork 9 for the first and second gear consists of the thicker Sheet metal as a precision stamped shift arm 7 and a shift fork body 13, which as a deep-drawn part made of thin sheet material is formed and the actual shift fork 14 and shift fork guide eyes 15 and 16 forms.
- the shift fork 10 for the third and fourth gear consists of one thicker sheet metal as a fine stamped switching arm 8, in this Trap with an extended part 20 a part of the base body of the shift fork 10 forms on which the actual shift fork base body 21, the thinner Sheet material made as a deep-drawn part is fastened by welding.
- the actual shift fork base body 21 forms a shift fork 22 and Guide eyes 23 and 24.
- On the shift fork 22 is a slider 25 injected or clipped in slide-promoting plastic material and the like Ways are in the guide eyes 23 and 24 guide sleeves 26 and 27 injected or clipped in to promote plastic.
- the shift fork 12 for the fifth gear is fixed on the shift rod 11, However, as can be seen from FIGS. 11 to 14, a similar design as that Shift forks 9 and 10 on, with the difference that there is no shift arm here is necessary because this shift fork via the axially displaceable shift rod can be actuated.
- the shift fork 12 again consists of a thin sheet metal as a deep-drawn part manufactured actual shift fork base body 28, with its one Extension an actual shift fork 29 and with its other extension Hub eyes 30 forms.
- sliders 31 again injected plastic material or attached by clipping and attached to the hub eyes 30 in this case is a metal sleeve 32 by welding connected to the selector shaft 11 by a spring pin known per se can be set.
- the formation of the actual Shift forks as deep-drawn parts made of thin sheet material, one overlapping Nested, especially the shift forks 9 and 10 for the first and second and third and fourth gear, which means that space is limited due to the wide spacing of the guide eyes for safe and stable guidance of the Shift forks can be provided with a compact design.
- Shift forks can be used in a variety of known welding processes e.g. Spot, resistance and laser welding can be used.
- the shift fork according to the invention for change gearbox can in particular be produced in a cost-effective manner in that their individual parts largely through non-cutting manufacturing processes immediately with the required Precision can be finely punched, finely cut or deep-drawn, then the guide sleeves and sliding pieces required for corresponding management tasks in the corresponding finished accuracy by overmolding the already Welding interconnected components in a corresponding device can be finished with the desired final accuracy.
- shift forks for change gearboxes can be used optimally low weight and with optimally reduced manufacturing costs with the required robustness and accuracy.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
- Fig. 1
- eine Perspektivdarstellung einer Schaltstange mit darauf angeordneten drei Schaltgabeln;
- Fig. 2
- eine Draufsicht auf die Getriebewellen und die Schaltvorrichtung mit den Schaltgabeln in Fig, 1, wie sie für ein Transaxelgetriebe mit fünf Gängen aufgelegt ist;
- Fig. 3, 4, 5 und 6
- zwei Ansichten der Schaltgabel für den ersten und zweiten Gang mit entsprechenden Schnitten;
- Fig. 7, 8, 9 und 10
- zwei Ansichten der Schaltgabel für den dritten und vierten Gang mit entsprechenden Schnitten und
- Fig. 11, 12, 13 und 14
- entsprechende Ansichten für die Schaltgabel des fünften Ganges.
Claims (3)
- Schaltgabel für Wechselgetriebe mit einem Schaltgabelgrundkörper aus einem Blechpreßteil, der einen Schaltarm und eine Schaltgabel bildet und an dem Kunststoffteile aus gleitförderndem Material verankert sind,
dadurch gekennzeichnet, daßder Schaltgabelgrundkörper (13 bzw. 21) als ein aus dünnerem Blechmaterial gefertigtes Tiefziehteil ausgebildet ist,ein getrennter Schaltarm (7 bzw. 8) als ein aus dickerem Blechmaterial gefertigtes Feinstanzteil ausgebildet ist unddas Schaltarm-Feinstanzteil (7 bzw. 8) mit dem Schaltgabelgrundkörper-Tiefziehteil (13 bzw. 21) über geeignete Schweißverfahren, wie z.B. Punkt-, Widerstands- oder Laserschweißen verbunden ist. - Schaltgabel für Wechselgetriebe nach Patentanspruch 1,
dadurch gekennzeichnet, daßam Schaltgabelgrundkörper (13 bzw. 21) ausgebildete Schaltgabelführungsaugen (15/16 bzw. 23/24) mit Führungshülsen (18/19 bzw. 26/27) aus gleitförderndem Kunststoffmaterial versehen sind. - Schaltgabel für Wechselgetriebe nach Patentanspruch 1,
dadurch gekennzeichnet, daßam Schaltgabelgrundkörper (13 bzw. 21 und 28) Gleitstücke (17 bzw 25 und 31) aus gleitförderndem Kunststoff vorgesehen sind.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19980111682 EP0967419B1 (de) | 1998-06-25 | 1998-06-25 | Schaltgabel für Wechselgetriebe |
ES98111682T ES2152728T3 (es) | 1998-06-25 | 1998-06-25 | Horquilla de cambio para cajas de cambio de velocidades. |
DE59800349T DE59800349D1 (de) | 1998-06-25 | 1998-06-25 | Schaltgabel für Wechselgetriebe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19980111682 EP0967419B1 (de) | 1998-06-25 | 1998-06-25 | Schaltgabel für Wechselgetriebe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0967419A1 EP0967419A1 (de) | 1999-12-29 |
EP0967419B1 true EP0967419B1 (de) | 2000-11-22 |
Family
ID=8232168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980111682 Expired - Lifetime EP0967419B1 (de) | 1998-06-25 | 1998-06-25 | Schaltgabel für Wechselgetriebe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0967419B1 (de) |
DE (1) | DE59800349D1 (de) |
ES (1) | ES2152728T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10360715A1 (de) * | 2003-12-24 | 2005-07-21 | Ina-Schaeffler Kg | Schaltgabel |
DE10202651B4 (de) * | 2002-01-23 | 2014-01-23 | Koki Technik Transmission Systems Gmbh | Getriebe |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10045506B4 (de) * | 1999-09-14 | 2011-07-21 | ISE Automotive GmbH, 51702 | Verfahren zur Herstellung einer Schaltgabel zum Einsatz in Getrieben, insbes. in PKW-Getrieben |
DE10018850A1 (de) * | 2000-04-14 | 2001-10-18 | Schaeffler Waelzlager Ohg | Schaltgabel für ein Zahnräderwechselgetriebe |
DE10125098B4 (de) * | 2001-05-23 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Schaltgabel für ein Wechselgetriebe mit einem gabelförmig ausgebildeten Grundkörper aus Blech |
DE10219356B4 (de) * | 2002-04-30 | 2011-05-26 | Hoerbiger Antriebstechnik Gmbh | Schaltung für Schaltgetriebe |
EP1686294B1 (de) * | 2005-01-27 | 2008-03-19 | Getrag Ford Transmissions GmbH | Schaltgabel mit Gleitschuhring und entsprechende Gleitschuhanordnung |
DE102005006973A1 (de) * | 2005-02-16 | 2006-08-24 | Schaeffler Kg | Schaltanordnung mit einer Schaltgabel |
DE602007008577D1 (de) * | 2007-10-24 | 2010-09-30 | Fiat Ricerche | Gangschaltgabel für ein Getriebe |
DE102008036190A1 (de) | 2008-08-02 | 2010-02-04 | Schaeffler Kg | Schaltgabel zur toleranzausgleichenden Befestigung eines Gleitschuhs |
CN102853071B (zh) * | 2012-09-21 | 2015-04-22 | 长城汽车股份有限公司 | 一种变速器换挡机构、变速器及机动车辆 |
DE102016219228A1 (de) | 2015-10-16 | 2017-04-20 | Schaeffler Technologies AG & Co. KG | Schaltgabel für ein Kraftfahrzeugwechselgetriebe |
DE102016203067B4 (de) | 2016-02-26 | 2022-03-24 | Schaeffler Technologies AG & Co. KG | Kunststoffschaltgabel für ein Kraftfahrzeugwechselgetriebe |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712938A (en) * | 1926-04-16 | 1929-05-14 | Gen Motors Res Corp | Change-speed mechanism |
FR1350298A (fr) * | 1962-03-24 | 1964-01-24 | Daimler Benz Ag | Procédé pour la réalisation de fourchettes de commande à déplacement |
DE1680196A1 (de) | 1968-01-08 | 1972-04-13 | Opel Adam Ag | Aus Blech hergestellte Schaltgabel fuer Geschwindigkeitswechselgetriebe,insbesondere von Kraftfahrzeugen |
DE8902040U1 (de) * | 1989-02-21 | 1989-06-01 | Griesemer, Albert, 5438 Westerburg | Schwinggabel für Schaltgetriebe von Kraftfahrzeugen |
DE4316140A1 (de) * | 1993-05-14 | 1994-11-17 | Kochendoerfer & Kiep Stanz Und | Schaltgabel |
-
1998
- 1998-06-25 ES ES98111682T patent/ES2152728T3/es not_active Expired - Lifetime
- 1998-06-25 EP EP19980111682 patent/EP0967419B1/de not_active Expired - Lifetime
- 1998-06-25 DE DE59800349T patent/DE59800349D1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10202651B4 (de) * | 2002-01-23 | 2014-01-23 | Koki Technik Transmission Systems Gmbh | Getriebe |
DE10360715A1 (de) * | 2003-12-24 | 2005-07-21 | Ina-Schaeffler Kg | Schaltgabel |
Also Published As
Publication number | Publication date |
---|---|
EP0967419A1 (de) | 1999-12-29 |
ES2152728T3 (es) | 2001-02-01 |
DE59800349D1 (de) | 2000-12-28 |
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